Outdoor grill burner knob



FIG. 1 is an isometric view of the outdoor grill burner knob of the invention;

FIG. 2 is a side view of the outdoor grill burner knob illustrated in FIG. 1;

FIG. 3 is a top view of the outdoor grill burner knob illustrated in FIG. 1; and,

FIG. 4 is a bottom view of the outdoor grill burner knob illustrated in FIG. 1. 

The ornamental design for an outdoor grill burner knob, as shown and described. 